The article is a summary by Bruce Schneier. This is the original paper: https://raghavan.usc.edu/papers/pgpp-arxiv20.pdf https://raghavan.usc.edu/papers/pgpp-a

The article is a summary by Bruce Schneier. This is the original paper: https://raghavan.usc.edu/papers/pgpp-arxiv20.pdf https://raghavan.usc.edu/papers/pgpp-arxiv20.pdf The system should be compatible with existing mobile network providers, using a new virtual network provider.